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Actively discussed on google+ : A new link on search results that shows what people are talking about your searched keyword with comments!

Actively discussed on google+
Google and its search results are getting deeper integration with the google+ social network every now and then. Earlier you might have heard about personalized search results, +1 button, share link, etc.

+1 is out and new share link in search results to share website with your friends or circles

+1 button replaced with share link
Earlier if you are logged into your Google+ account and search for a keyword on the google search engine, you’ll find a +1 button next to every search result also known as SERP’s.

‘Thank them’ thank your friends or circles right from google search for their +1′s

'Thank them' for +1'ing content right from google search results (SERP's)
Your friends or people in your circles whenever they find interesting content online or in google+ they +1 it. With the recent introduction of personalized search (a.k.a search plus) and when you search for a keyword in google, if there is a content...

Start a discussion (about any topic) with your circles right from Google+ search!

Google+ search start a discussion on any topic!
You searched for a favorite topic using Google+ search and found interesting results that get shared by other G+ users. Looking at the results, you thought of sharing and discussing with your friends or circles.

How to hide your google+ profile from appearing in google search results or serp’s?

You joined Google+, created your profile and published it. Google automatically crawls and indexes your profile. Now when someone searches for you – your profile will appear in Google search results and easily be found.